Home / 899,397.30-1,241,184.58-491,516.40

Finding the Fourth Proportional to 899,397.30, 1,241,184.58 and 491,516.40

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Solution

The fourth proportional to 899,397.30, 1,241,184.58 and 491,516.40 is: 678,301.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,397.30 : 1,241,184.58 = 491,516.40 : x
  2. Step 2: Convert to fraction form
    899,397.30/1,241,184.58 = 491,516.40/x
  3. Step 3: Cross multiply
    899,397.30x = 1,241,184.58 × 491,516.40
  4. Step 4: Simplify right side
    899,397.30x = 610,062,576,497.11
  5. Step 5: Solve for x
    x = 610,062,576,497.11/899,397.30
  6. Step 6: Final answer
    x = 678,301.54

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.